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Meta-Analysis
©The Author(s) 2026.
World J Gastroenterol. Jan 21, 2026; 32(3): 113452
Published online Jan 21, 2026. doi: 10.3748/wjg.v32.i3.113452
Figure 1
Figure 1 Preferred reporting items for systematic reviews and meta-analyses 2020 study selection flow diagram. The flow diagram illustrates the study selection process according to the preferred reporting items for systematic reviews and meta-analyses 2020 guidelines. The number of records identified (n = 1353), screened (n = 944), and excluded (with reasons) are shown. The systematic review and meta-analysis included 34 studies.


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